[INFO] fetching crate phile 0.1.4...
[INFO] checking phile-0.1.4 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate phile 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate phile 0.1.4 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate phile 0.1.4
[INFO] finished tweaking crates.io crate phile 0.1.4
[INFO] tweaked toml for crates.io crate phile 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d2b3f7f61263c40ac61b1c7a6f4ebf3e32c9d06a5a319de7add8154265ff82e
[INFO] running `Command { std: "docker" "start" "-a" "4d2b3f7f61263c40ac61b1c7a6f4ebf3e32c9d06a5a319de7add8154265ff82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2b3f7f61263c40ac61b1c7a6f4ebf3e32c9d06a5a319de7add8154265ff82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2b3f7f61263c40ac61b1c7a6f4ebf3e32c9d06a5a319de7add8154265ff82e", kill_on_drop: false }`
[INFO] [stdout] 4d2b3f7f61263c40ac61b1c7a6f4ebf3e32c9d06a5a319de7add8154265ff82e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c58c1a3198de25210ecf6bcaf0aa18e6b0ae79f71facd0a15d10e7f5075c4fc9
[INFO] running `Command { std: "docker" "start" "-a" "c58c1a3198de25210ecf6bcaf0aa18e6b0ae79f71facd0a15d10e7f5075c4fc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
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[INFO] [stderr]     Checking either v1.9.0
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[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
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[INFO] [stderr]     Checking phile v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 '\x20'...'\x7e' => f.write_char(ch)?, // printable
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 '\u{0000}'...'\u{ffff}' => write!(f, r"\u{:04x}", ch as u32)?,
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 '\x20'...'\x7e' => f.write_char(ch)?, // printable
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 '\u{0000}'...'\u{ffff}' => write!(f, r"\u{:04x}", ch as u32)?,
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/mod.rs:143:27
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = FnMut(&str) -> Result<Rc<RefCell<io::Write>>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = dyn FnMut(&str) -> Result<Rc<RefCell<io::Write>>>;
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/mod.rs:143:60
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = FnMut(&str) -> Result<Rc<RefCell<io::Write>>>;
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = FnMut(&str) -> Result<Rc<RefCell<dyn io::Write>>>;
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:112:56
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn pretty_print<P: AsRef<str>>(&self, wr: &mut io::Write, sources: &[P]) -> io::Result<()> {
[INFO] [stdout]     |                                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn pretty_print<P: AsRef<str>>(&self, wr: &mut dyn io::Write, sources: &[P]) -> io::Result<()> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:151:32
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:220:24
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn write_type(wr: &mut io::Write, ty: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn write_type(wr: &mut dyn io::Write, ty: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:251:33
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn write_optional_type(wr: &mut io::Write, wrapped: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn write_optional_type(wr: &mut dyn io::Write, wrapped: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:255:32
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn write_pointer_type(wr: &mut io::Write, pointed: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn write_pointer_type(wr: &mut dyn io::Write, pointed: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 | fn write_array_type(wr: &mut io::Write, element: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 259 | fn write_array_type(wr: &mut dyn io::Write, element: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:263:30
[INFO] [stdout]     |
[INFO] [stdout] 263 | fn write_tuple_type(wr: &mut io::Write, types: &[WkType], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 263 | fn write_tuple_type(wr: &mut dyn io::Write, types: &[WkType], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:275:33
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn write_function_type(wr: &mut io::Write, ty: &FunctionType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn write_function_type(wr: &mut dyn io::Write, ty: &FunctionType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:292:26
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn write_header(wr: &mut io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn write_header(wr: &mut dyn io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:300:34
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn write_comment_header(wr: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn write_comment_header(wr: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:310:29
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn write_namespace(wr: &mut io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn write_namespace(wr: &mut dyn io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:321:27
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn write_imports(wr: &mut io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn write_imports(wr: &mut dyn io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn write_dummy_uses(wr: &mut io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn write_dummy_uses(wr: &mut dyn io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:403:18
[INFO] [stdout]     |
[INFO] [stdout] 403 |     wr:     &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 |     wr:     &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:421:27
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn generate_expr(wr: &mut io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn generate_expr(wr: &mut dyn io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 | fn generate_nil_literal(wr: &mut io::Write, id: &ExprId, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 455 | fn generate_nil_literal(wr: &mut dyn io::Write, id: &ExprId, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:462:35
[INFO] [stdout]     |
[INFO] [stdout] 462 | fn generate_bool_literal(wr: &mut io::Write, id: &ExprId, b: bool, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 462 | fn generate_bool_literal(wr: &mut dyn io::Write, id: &ExprId, b: bool, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:469:34
[INFO] [stdout]     |
[INFO] [stdout] 469 | fn generate_int_literal(wr: &mut io::Write, id: &ExprId, n: u64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 469 | fn generate_int_literal(wr: &mut dyn io::Write, id: &ExprId, n: u64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:476:36
[INFO] [stdout]     |
[INFO] [stdout] 476 | fn generate_float_literal(wr: &mut io::Write, id: &ExprId, x: f64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 476 | fn generate_float_literal(wr: &mut dyn io::Write, id: &ExprId, x: f64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:483:37
[INFO] [stdout]     |
[INFO] [stdout] 483 | fn generate_string_literal(wr: &mut io::Write, id: &ExprId, s: &str, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 483 | fn generate_string_literal(wr: &mut dyn io::Write, id: &ExprId, s: &str, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:490:27
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn generate_load(wr: &mut io::Write, id: &ExprId, expr: &WkExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn generate_load(wr: &mut dyn io::Write, id: &ExprId, expr: &WkExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:500:29
[INFO] [stdout]     |
[INFO] [stdout] 500 | fn generate_ignore(wr: &mut io::Write, id: &ExprId, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 500 | fn generate_ignore(wr: &mut dyn io::Write, id: &ExprId, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:508:31
[INFO] [stdout]     |
[INFO] [stdout] 508 | fn generate_sequence(wr: &mut io::Write, id: &ExprId, exprs: &[RcExpr], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 508 | fn generate_sequence(wr: &mut dyn io::Write, id: &ExprId, exprs: &[RcExpr], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:527:18
[INFO] [stdout]     |
[INFO] [stdout] 527 |     wr:     &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 527 |     wr:     &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:582:27
[INFO] [stdout]     |
[INFO] [stdout] 582 | fn write_expr_id(wr: &mut io::Write, id: &ExprId, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 582 | fn write_expr_id(wr: &mut dyn io::Write, id: &ExprId, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:595:29
[INFO] [stdout]     |
[INFO] [stdout] 595 | fn write_expr_decl(wr: &mut io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 595 | fn write_expr_decl(wr: &mut dyn io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:112:92
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn writers_for_types<'b, I>(&mut self, types: I) -> Result<BTreeMap<String, Rc<RefCell<io::Write>>>>
[INFO] [stdout]     |                                                                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn writers_for_types<'b, I>(&mut self, types: I) -> Result<BTreeMap<String, Rc<RefCell<dyn io::Write>>>>
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:130:73
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn writer_with_preamble(&mut self, name: &str) -> Result<Rc<RefCell<io::Write>>> {
[INFO] [stdout]     |                                                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn writer_with_preamble(&mut self, name: &str) -> Result<Rc<RefCell<dyn io::Write>>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |         wr: &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 140 |         wr: &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:173:18
[INFO] [stdout]     |
[INFO] [stdout] 173 |         wr: &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |         wr: &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/mod.rs:143:27
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = FnMut(&str) -> Result<Rc<RefCell<io::Write>>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = dyn FnMut(&str) -> Result<Rc<RefCell<io::Write>>>;
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/mod.rs:143:60
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = FnMut(&str) -> Result<Rc<RefCell<io::Write>>>;
[INFO] [stdout]     |                                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type WriterProvider = FnMut(&str) -> Result<Rc<RefCell<dyn io::Write>>>;
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:112:56
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn pretty_print<P: AsRef<str>>(&self, wr: &mut io::Write, sources: &[P]) -> io::Result<()> {
[INFO] [stdout]     |                                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn pretty_print<P: AsRef<str>>(&self, wr: &mut dyn io::Write, sources: &[P]) -> io::Result<()> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:151:32
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:220:24
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn write_type(wr: &mut io::Write, ty: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn write_type(wr: &mut dyn io::Write, ty: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:251:33
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn write_optional_type(wr: &mut io::Write, wrapped: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn write_optional_type(wr: &mut dyn io::Write, wrapped: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:255:32
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn write_pointer_type(wr: &mut io::Write, pointed: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn write_pointer_type(wr: &mut dyn io::Write, pointed: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 | fn write_array_type(wr: &mut io::Write, element: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 259 | fn write_array_type(wr: &mut dyn io::Write, element: &WkType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:263:30
[INFO] [stdout]     |
[INFO] [stdout] 263 | fn write_tuple_type(wr: &mut io::Write, types: &[WkType], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 263 | fn write_tuple_type(wr: &mut dyn io::Write, types: &[WkType], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:275:33
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn write_function_type(wr: &mut io::Write, ty: &FunctionType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn write_function_type(wr: &mut dyn io::Write, ty: &FunctionType, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:292:26
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn write_header(wr: &mut io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn write_header(wr: &mut dyn io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:300:34
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn write_comment_header(wr: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn write_comment_header(wr: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:310:29
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn write_namespace(wr: &mut io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn write_namespace(wr: &mut dyn io::Write, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:321:27
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn write_imports(wr: &mut io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn write_imports(wr: &mut dyn io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn write_dummy_uses(wr: &mut io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn write_dummy_uses(wr: &mut dyn io::Write, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:403:18
[INFO] [stdout]     |
[INFO] [stdout] 403 |     wr:     &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 |     wr:     &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:421:27
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn generate_expr(wr: &mut io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn generate_expr(wr: &mut dyn io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 | fn generate_nil_literal(wr: &mut io::Write, id: &ExprId, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 455 | fn generate_nil_literal(wr: &mut dyn io::Write, id: &ExprId, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:462:35
[INFO] [stdout]     |
[INFO] [stdout] 462 | fn generate_bool_literal(wr: &mut io::Write, id: &ExprId, b: bool, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 462 | fn generate_bool_literal(wr: &mut dyn io::Write, id: &ExprId, b: bool, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:469:34
[INFO] [stdout]     |
[INFO] [stdout] 469 | fn generate_int_literal(wr: &mut io::Write, id: &ExprId, n: u64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 469 | fn generate_int_literal(wr: &mut dyn io::Write, id: &ExprId, n: u64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:476:36
[INFO] [stdout]     |
[INFO] [stdout] 476 | fn generate_float_literal(wr: &mut io::Write, id: &ExprId, x: f64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 476 | fn generate_float_literal(wr: &mut dyn io::Write, id: &ExprId, x: f64, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:483:37
[INFO] [stdout]     |
[INFO] [stdout] 483 | fn generate_string_literal(wr: &mut io::Write, id: &ExprId, s: &str, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 483 | fn generate_string_literal(wr: &mut dyn io::Write, id: &ExprId, s: &str, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:490:27
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn generate_load(wr: &mut io::Write, id: &ExprId, expr: &WkExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn generate_load(wr: &mut dyn io::Write, id: &ExprId, expr: &WkExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:500:29
[INFO] [stdout]     |
[INFO] [stdout] 500 | fn generate_ignore(wr: &mut io::Write, id: &ExprId, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 500 | fn generate_ignore(wr: &mut dyn io::Write, id: &ExprId, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:508:31
[INFO] [stdout]     |
[INFO] [stdout] 508 | fn generate_sequence(wr: &mut io::Write, id: &ExprId, exprs: &[RcExpr], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 508 | fn generate_sequence(wr: &mut dyn io::Write, id: &ExprId, exprs: &[RcExpr], params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:527:18
[INFO] [stdout]     |
[INFO] [stdout] 527 |     wr:     &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 527 |     wr:     &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:582:27
[INFO] [stdout]     |
[INFO] [stdout] 582 | fn write_expr_id(wr: &mut io::Write, id: &ExprId, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 582 | fn write_expr_id(wr: &mut dyn io::Write, id: &ExprId, params: &CodegenParams) -> io::Result<()> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:595:29
[INFO] [stdout]     |
[INFO] [stdout] 595 | fn write_expr_decl(wr: &mut io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 595 | fn write_expr_decl(wr: &mut dyn io::Write, expr: &RcExpr, params: &CodegenParams) -> Result<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:112:92
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn writers_for_types<'b, I>(&mut self, types: I) -> Result<BTreeMap<String, Rc<RefCell<io::Write>>>>
[INFO] [stdout]     |                                                                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn writers_for_types<'b, I>(&mut self, types: I) -> Result<BTreeMap<String, Rc<RefCell<dyn io::Write>>>>
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:130:73
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn writer_with_preamble(&mut self, name: &str) -> Result<Rc<RefCell<io::Write>>> {
[INFO] [stdout]     |                                                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn writer_with_preamble(&mut self, name: &str) -> Result<Rc<RefCell<dyn io::Write>>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |         wr: &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 140 |         wr: &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dalgen/go/mod.rs:173:18
[INFO] [stdout]     |
[INFO] [stdout] 173 |         wr: &mut io::Write,
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 |         wr: &mut dyn io::Write,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:141:46
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Error::IO(ref err)        => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:142:46
[INFO] [stdout]     |
[INFO] [stdout] 142 |             Error::Borrow(ref err)    => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:143:46
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Error::BorrowMut(ref err) => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:141:46
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Error::IO(ref err)        => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:142:46
[INFO] [stdout]     |
[INFO] [stdout] 142 |             Error::Borrow(ref err)    => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:143:46
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Error::BorrowMut(ref err) => err.description(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:521:28
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let node_ctors: &[&Fn(Box<Exp<'a>>) -> ExpKind] = &[
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let node_ctors: &[&dyn Fn(Box<Exp<'a>>) -> ExpKind] = &[
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:521:28
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let node_ctors: &[&Fn(Box<Exp<'a>>) -> ExpKind] = &[
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let node_ctors: &[&dyn Fn(Box<Exp<'a>>) -> ExpKind] = &[
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unicode_xid::UnicodeXID`
[INFO] [stdout]   --> tests/lexer.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use unicode_xid::UnicodeXID;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> tests/lexer.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> tests/lexer.rs:797:5
[INFO] [stdout]     |
[INFO] [stdout] 797 | /     lazy_static! {
[INFO] [stdout] 798 | |         static ref re: Regex = Regex::new(r"^[_\p{XID_Start}]$").unwrap();
[INFO] [stdout] 799 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> tests/lexer.rs:808:5
[INFO] [stdout]     |
[INFO] [stdout] 808 | /     lazy_static! {
[INFO] [stdout] 809 | |         static ref re: Regex = Regex::new(r"^\p{XID_Continue}$").unwrap();
[INFO] [stdout] 810 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:311:29
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:378:29
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:514:33
[INFO] [stdout]     |
[INFO] [stdout] 514 |     fn shrink_int(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 514 |     fn shrink_int(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:558:29
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:660:29
[INFO] [stdout]     |
[INFO] [stdout] 660 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 660 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/parser.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     lazy_static! {
[INFO] [stdout] 91 | |         static ref regex: Regex = Regex::new(r"^ *(\^_*\^) *$").unwrap();
[INFO] [stdout] 92 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> tests/parser.rs:1065:21
[INFO] [stdout]      |
[INFO] [stdout] 1065 | type RangeGen = Box<Fn(usize, std::ops::Range<usize>) -> Range>;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1065 | type RangeGen = Box<dyn Fn(usize, std::ops::Range<usize>) -> Range>;
[INFO] [stdout]      |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> tests/parser.rs:1066:24
[INFO] [stdout]      |
[INFO] [stdout] 1066 | type EvalExpTest = Box<Fn(Vec<(&str, Exp)>) -> ()>;
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1066 | type EvalExpTest = Box<dyn Fn(Vec<(&str, Exp)>) -> ()>;
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> tests/parser.rs:1067:23
[INFO] [stdout]      |
[INFO] [stdout] 1067 | type EvalTyTest = Box<Fn(Vec<(&str, Ty)>) -> ()>;
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1067 | type EvalTyTest = Box<dyn Fn(Vec<(&str, Ty)>) -> ()>;
[INFO] [stdout]      |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:494:27
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let exponent: Box<Iterator<Item=char>> = if g.gen() {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let exponent: Box<dyn Iterator<Item=char>> = if g.gen() {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lexer.rs:497:27
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let sign: Box<Iterator<Item=char>> = if g.gen() {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let sign: Box<dyn Iterator<Item=char>> = if g.gen() {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> tests/lexer.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_hor_ws` is never used
[INFO] [stdout]    --> tests/lexer.rs:774:4
[INFO] [stdout]     |
[INFO] [stdout] 774 | fn is_hor_ws(ch: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "c58c1a3198de25210ecf6bcaf0aa18e6b0ae79f71facd0a15d10e7f5075c4fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58c1a3198de25210ecf6bcaf0aa18e6b0ae79f71facd0a15d10e7f5075c4fc9", kill_on_drop: false }`
[INFO] [stdout] c58c1a3198de25210ecf6bcaf0aa18e6b0ae79f71facd0a15d10e7f5075c4fc9
